【简答题】写出下面各数,再省略亿位后面的尾数,改写成用“亿”作单位的数. 二十八亿零七百万 一千零八十亿五千万 一千九百九十九亿九千万 五百三十九亿四千万.
【单选题】Another strand of DNA complementary to the template strand of the transcribed RNA can be called
【简答题】写出由下面各数组成的数. (1)三十三十万三十亿______ (2)一百零七三十二万四百零三亿______ (3)九千二百四千三百万六千八百亿______.
【判断题】The template strand has a sequence complementary to that of the RNA transcript. ( )
【单选题】()不是海湾战争给中国国防建设的启示。
A.
“和平与发展”仍是当今世界两大主题,但是过程曲折
【简答题】写出下面各题中的数目: 汽车每小时行四万米,写作:______,飞机每小时飞行一百八十万米,写作:______. 一个正常人的红血球每秒死亡并新生各约一千万个.写作:______ 2001年全国就业人数七亿三千零二十五万人.写作:______. 其中城镇二亿三千九百四十万人.写作:______.
【单选题】The template strand of DNA is 5’-ATTCAG-3 ’ , its transcript is
【单选题】堤防工程土压力计的结构比较简单,主要由( )组成。
【判断题】DNA polymerase does not dissociate from the DNA each time it adds a new nucleotide to the growing strand; rather, it stays associated with the DNA and moves along the template strand stepwise for many...
【简答题】Using an RNA template that is part of the enzyme itself, __________ extends the ends of the replicating lagging strand by adding multiple copies of the same short DNA sequence to the template strand. ...